https://bugs.kde.org/show_bug.cgi?id=389377
Bug ID: 389377
Summary: Crash in debug console during Alt+Tab
Product: kwin
Version: git master
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: crash
Priority: NOR
Component: core
Assignee: kwin-bugs-n...@kde.org
Reporter: mgraess...@kde.org
Target Milestone: ---
Thread 1 "kwin_wayland" received signal SIGSEGV, Segmentation fault.
0x00005647390b7600 in ?? ()
(gdb) bt
#0 0x00005647390b7600 in ()
#1 0x00007fa1549517dc in
KWin::DebugConsoleModel::propertyCount<KWin::ShellClient>(QModelIndex const&,
KWin::ShellClient* (KWin::DebugConsoleModel::*)(QModelIndex const&) const)
const (this=0x56473918b190, parent=..., filter=
(KWin::ShellClient *(KWin::DebugConsoleModel::*)(const
KWin::DebugConsoleModel * const, const QModelIndex &)) 0x7fa154944046
<KWin::DebugConsoleModel::internalClient(QModelIndex const&) const>) at
/home/martin/src/kf5/kde/workspace/kwin/debug_console.cpp:874
#2 0x00007fa154942a95 in KWin::DebugConsoleModel::rowCount(QModelIndex const&)
const (this=0x56473918b190, parent=...) at
/home/martin/src/kf5/kde/workspace/kwin/debug_console.cpp:910
#3 0x00007fa14aa50e8e in QAbstractItemModel::hasChildren(QModelIndex const&)
const (this=0x56473918b190, parent=...) at
itemmodels/qabstractitemmodel.cpp:1784
#4 0x00007fa14bc8501c in QTreeViewPrivate::hasVisibleChildren(QModelIndex
const&) const () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5 0x00007fa14bc85cad in QTreeViewPrivate::layout(int, bool, bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6 0x00007fa14bc85f95 in QTreeViewPrivate::layout(int, bool, bool) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#7 0x00007fa14bc8e11e in QTreeView::doItemsLayout() () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8 0x00007fa14bc1d24d in QAbstractItemView::timerEvent(QTimerEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#9 0x00007fa14bc8e66a in QTreeView::timerEvent(QTimerEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#10 0x00007fa14aae487b in QObject::event(QEvent*) (this=0x5647390a8e00,
e=<optimized out>) at kernel/qobject.cpp:1268
#11 0x00007fa14ba132a3 in QWidget::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#12 0x00007fa14bab39de in QFrame::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007fa14babca03 in QAbstractScrollArea::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007fa14bc2687b in QAbstractItemView::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007fa14b9d459c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007fa14b9dbe64 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007fa14aab5258 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x5647390a8e00, event=event@entry=0x7ffc7a97ab20) at
kernel/qcoreapplication.cpp:1018
#18 0x00007fa14ab0d58e in QCoreApplication::sendEvent(QObject*, QEvent*)
(event=0x7ffc7a97ab20, receiver=<optimized out>)
at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:233
#19 0x00007fa14ab0d58e in QTimerInfoList::activateTimers()
(this=this@entry=0x5647376c9f00) at kernel/qtimerinfo_unix.cpp:643
#20 0x00007fa14ab0a96c in QEventDispatcherUNIXPrivate::activateTimers()
(this=this@entry=0x5647376c9e60) at kernel/qeventdispatcher_unix.cpp:249
#21 0x00007fa14ab0b742 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:514
---Type <return> to continue, or q <return> to quit---
#22 0x00007fa13ac739dd in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /opt/kf5/lib/x86_64-linux-gnu/plugins/platforms/KWinQpaPlugin.so
#23 0x00007fa14aab32aa in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffc7a97ace0, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:212
#24 0x00007fa14aabc214 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1291
#25 0x00005647373bdb8f in main(int, char**) (argc=4, argv=0x7ffc7a97b5d8) at
/home/martin/src/kf5/kde/workspace/kwin/main_wayland.cpp:826
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